PHP library to generate and validate coupon code strings
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README

Coupon Code
-- PHP library to generate and validate coupon code strings.

Synopsis
--------
This library is a loose port of the CPAN module Algorithm::CouponCode[0] by Grant McLean.

[0] https://github.com/grantm/Algorithm-CouponCode

Copyright & License
-------------------
This library is Copyright (c) 2014 Atelier Disko if not otherwise stated.
The code is distributed under the terms of the BSD 3-clause License. For
the full license text see the LICENSE file.

Installation
------------
The preferred installation method is via composer. You can add
the library as a dependency via:

$ composer require atelierdisko/coupon_code

Quickstart
----------
<?php

use CouponCode\CouponCode;

$code = new CouponCode();

$result = $code->generate();
// returns a string in `XXXX-XXXX-XXXX` format i.e.
// `1K7Q-CTFM-LMTC`.

$code->validate($result);
// returns a boolean indicating if the code is valid.

$code->normalize('i9oD_V467-8Dsz');
// returns `190D-V467-8D52`

?>